231=7(1-4x)

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Solution for 231=7(1-4x) equation: 



231=7(1-4x)

We move all terms to the left:

231-(7(1-4x))=0

We add all the numbers together, and all the variables

-(7(-4x+1))+231=0



We calculate terms in parentheses: -(7(-4x+1)), so:

7(-4x+1)

We multiply parentheses

-28x+7

Back to the equation:

-(-28x+7)



We get rid of parentheses

28x-7+231=0

We add all the numbers together, and all the variables

28x+224=0

We move all terms containing x to the left, all other terms to the right

28x=-224

x=-224/28

x=-8

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